Add _auxspeeds support for ptopgen. Link types using all auxspeeds will be in the ptop file.
Add _auxspeeds support for ptopgen. Link types using all auxspeeds will be in the ptop file.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome